[Search for users] [Overall Top Noters] [List of all Conferences] [Download this site]

Conference noted::pwv50ift

Title:	Kit: Note 4229; Please use NOTED::PWDOSWIN5 for V4.x server
Notice:	Kit: Note 4229; Please use NOTED::PWDOSWIN5 for V4.x server
Moderator:	CPEEDY::KENNEDY

Created:	Fri Dec 18 1992
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	4319
Total number of notes:	18478

4210.0. "Disk Space Temporarily MIA" by VMSNET::P_NUNEZ () Tue Mar 18 1997 11:30

    Customer running v5.0C ECO3 on Alpha 2100 (single ev4 cpu) running vms
    6.2.  
    
    At intermittent times of the day, the notice a drastic decrease in
    available disk space on one disk.  The device will go from approx
    300,000 blocks of free space to under 10,000 in a matter of seconds.
    
    The space is "missing" for a short period of time and then mysteriously
    returns. During the time the space is missing, SHOW DEV/FILES, SDA SHOW
    PROC/CHAN PWKR$LMSRV, etc have failed to identify a file using this
    space. 
    
    We had the customer put the server in debug mode, disable it, and then
    enable it again when the problem starts.  In the trace we see a
    particular client do an "Transaction 2" SMB and the next message in the
    trace indicates "allocating GC global buffer pool of 204800 bytes".
    
    The client in question is an OS/2 Warp v2.0 client which is a Groupwise
    v4.1 mail server.  It's using the PATHWORKS server for storage. 
    
    I'll have the actually SMBs shortly and will post, but wanted to see if
    someone knew what this message meant...
    
    Paul

T.R Title User Personal
Name Date Lines

4210.1 Nothing to do with it UTRTSC::EISINK No Kipling apes today Thu Mar 20 1997 12:15 23

T.R	Title	User	Personal Name	Date	Lines
4210.1	Nothing to do with it	UTRTSC::EISINK	No Kipling apes today	`Thu Mar 20 1997 12:15`	23
	Hi Paul, GC pool is a memory area which gets allocated when for the first time some memory is needed to store data in. This happens for instance when a transaction smb comes in and we want to sent a response smb back to the client. The size of the data we for this example is the number of parameter bytes retun and a second piece of pool with the size of the data bytes to return when the transaction SMB is readbraw. (With the sda extensions you can see them). So when the for the first time we need memory from that pool the initialization rtn is called to allocate the GC pool and thats the message you'll in the trace file. You can define the gc pool in lanman.ini but default you wont want to do that) Normaly you'll do that when you messages that are no GC buffers available. The server proceeds and will use another mechanism. To come back to your question, it has nothiong to with the diskspace because this is just memory which gets allocated. Rob.

    Hi Paul,
    
    GC pool is a memory area which gets allocated when for the first time
    some memory is needed to store data in. This happens for instance when
    a transaction smb comes in and we want to sent a response smb back to
    the client. The size of the data we for this example is the number of
    parameter bytes retun and a second piece of pool with the size of the 
    data bytes to return when the transaction SMB is readbraw.
    
    (With the sda extensions you can see them). 
    
    So when the for the first time we need memory from that pool the
    initialization rtn is called to allocate the GC pool and thats the
    message you'll in the trace file.
    You can define the gc pool in lanman.ini but default you wont want to
    do that) Normaly you'll do that when you messages that are no GC
    buffers available. The server proceeds and will use another mechanism.
    
    To come back to your question, it has nothiong to with the diskspace
    because this is just memory which gets allocated.
    
    	Rob.